Age
7-9
Grade
2-4
David Glover
Pulleys and Gears
Library Binding
(Heinemann May 5, 2006)
How can pulling down make something go up? How do carnival rides work? What makes the hands on a watch go around? How does pedaling a bicycle make it move? This title shows you how different kinds of these two simple machines are all around you to make your work and play easier.
- Series
- Simple Machines
- ISBN
- 140348564X / 9781403485649
- Pages
- 24
- Weight
- 10.4 oz.
- Dimensions
- 8.2 x 0.2
in.